Home / 39,831.33-54,966.81-21,925.98

Finding the Fourth Proportional to 39,831.33, 54,966.81 and 21,925.98

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Solution

The fourth proportional to 39,831.33, 54,966.81 and 21,925.98 is: 30,257.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,831.33 : 54,966.81 = 21,925.98 : x
  2. Step 2: Convert to fraction form
    39,831.33/54,966.81 = 21,925.98/x
  3. Step 3: Cross multiply
    39,831.33x = 54,966.81 × 21,925.98
  4. Step 4: Simplify right side
    39,831.33x = 1,205,201,176.72
  5. Step 5: Solve for x
    x = 1,205,201,176.72/39,831.33
  6. Step 6: Final answer
    x = 30,257.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.